Gender Influences the Core Temperature Response to a Simulated Open Field in Adult Guinea Pigs
Gender Influences the Core Temperature Response to a Simulated Open Field in Adult Guinea Pigs
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性别影响成年豚鼠对模拟开放场地的核心温度反应
DOI：
10.1016/s0031-9384(98)00198-x
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发表时间：
1998
影响因子：
2.9
通讯作者：
J. Fewell
中科院分区：
文献类型：
--
作者：
K. E. Dymond;J. Fewell
心理压力的诱发常常伴随着核心温度的短暂升高，通常称为压力诱发的高热。尽管当大鼠、小鼠和猪暴露于新的刺激（例如模拟开放场、约束等）时，会发生应激诱发的高热，但尚未研究豚鼠是否发生这种情况。因此，本实验旨在研究雄性（n = 7）和雌性（n = 7）成年豚鼠暴露于模拟开放场时的体温调节反应。出乎意料的是，雄性和雌性豚鼠都没有出现应激引起的体温过高。相反，在旷场实验中，雌性而非雄性豚鼠的核心温度显着降低。成年豚鼠对心理压力的性别特异性体温调节反应的机制目前尚不清楚。
The induction of psychological stress is often accompanied by a transient increase in core temperature, commonly referred to as stress induced hyperthermia. Although stress-induced hyperthermia occurs when rats, mice, and pigs are exposed to a novel stimulus (e.g., a simulated open field, restraint, etc.), whether or not it occurs in guinea pigs has not been investigated. The present experiments were therefore carried out to investigate the thermoregulatory responses of both male (n = 7) and female (n = 7) adult guinea pigs when they were exposed to a simulated open field. Unexpectedly, neither the male nor female guinea pigs developed stress-induced hyperthermia. To the contrary, female but not male guinea pigs significantly decreased their core temperature during an open field experiment. The mechanism of the gender-specific thermoregulatory response of the adult guinea pig to psychological stress is presently unknown.
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